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aminobenzoate potassium (PABA, para aminobenzoic acid, Potaba)

 

Classes: Vitamins, Water-Soluble

Dosing and uses of PABA, para aminobenzoic acid (aminobenzoate potassium)

 

Dosing Strengths & Forms

capsule

  • 60mg
  • 500mg

tablet

  • 500mg

powder

  • 2g

 

Supplement

12 g PO divided q4-6hr

 

Administration

Take with adequate liquid to avoid gastric upset

 

Pediatric dosage forms and strengths

 

Dosing Strengths & Forms

capsule

  • 60mg
  • 500mg

tablet

  • 500mg

powder

  • 2g

 

Supplement

1g/10 pounds of weight/day PO in divided doses

 

PABA, para aminobenzoic acid (aminobenzoate potassium) adverse (side) effects

Frequency not defined

Anorexia

Nausea

Fever

Hepatotoxicity

Rash

 

Warnings

Contraindications

Hypersensitivity

Concomitant sulfonamide antibiotics (effects may be nullified)

 

Cautions

Stop therapy if anorexia occurs and reinitiate therapy once appetite improves

Stop therapy if nausea occurs and reinitiate therapy once patient improves

Use wiht caution in diabetes mellitus, hypoglycemia, or renal disease

 

Pregnancy and lactation

Pregnancy category: Not studied

Lactation: Unknown if excreted in breast milk; use caution

 

Pregnancy categories

A: Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.

B: May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.

C: Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.

D: Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.

X: Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.

NA: Information not available.

 

Pharmacology of PABA, para aminobenzoic acid (aminobenzoate potassium)

Mechanism of action

Related to B vitamins that may have antifibrotic effects by increasing oxygen uptake at tissues leveL